Hi TI Team,
I am looking for a DC-DC Step Down Converter Power Supply IC with Below Spefications.
Vin : 11.5V to 12.5V
Vin(nom) : 12V
Vout : 0.8V
Ripple : <5% (Recommended : 3%)
Iout : 25Amp
Iout(nom) : 20.6Amp
Rise Time | Time from 10% to 90% mark. | 10 ms |
Monotonicity | Voltage dip allowed in ramp. | 0 mV |
Slope | Ramp rate at any given time between 10% and 90% Max: 0.8*V(max)/rise time(min) |
7120 V/s |
Operational Range | Voltage range for normal operating conditions (0.8V ±5%). | 0.84 V |
Ripple | Maximum Voltage ripple (peak-to-peak) | 20 mV |
Overshoot | Maximum overshoot allowed | 50mV |
Overshoot settling time | Maximum overshoot allowed duration. (at that time delta voltage should be lower than the 5 mV from Steady state voltage) |
0.05 ms |
The Recommended IC must be Rohs & Reach compliant.
I have simulated a couple of power supplies but none of them are matching my specifications. Here are few power supplies i have tried : TPS53355, TPS546D24A, TPS548C26, TPS548B22, TPS548D22, TPS548D21.